swot up vs bone

swot up is not a noun while bone is a noun.

Word	Noun	Adjective	Verb	Adverb
swot up	No	No	Yes	No
bone	Yes	Yes	Yes	No

As verbs, swot up and bone are synonyms defined as:

Other synonyms of swot up include bone up, cram, drum, get up, grind away, mug up, swot.

swot up (noun)	bone (noun)
	a shade of white the color of bleached bones
	rigid connective tissue that makes up the skeleton of vertebrates
	the porous calcified substance from which bones are made

swot up (adjective)	bone (adjective)
	consisting of or made up of bone

swot up (verb)	bone (verb)
study intensively, as before an exam	remove the bones from
	study intensively, as before an exam